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<div class="title">Parser.h</div>  </div>
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<div class="contents">
<a href="../../de/d40/_parser_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#include &quot;<a class="code" href="../../de/d9f/_parser_regexes_8h.html">ParserRegexes.h</a>&quot;</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="../../d7/d02/_a_s_t_8h.html">AST.h</a>&quot;</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="../../d0/d7f/_custom_exception_8h.html">CustomException.h</a>&quot;</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="../../d5/d43/_follows_8h.html">Follows.h</a>&quot;</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="../../d6/d5f/_parent_8h.html">Parent.h</a>&quot;</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="../../d5/d91/_proc_table_8h.html">ProcTable.h</a>&quot;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="../../d8/d21/_var_table_8h.html">VarTable.h</a>&quot;</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#include &lt;regex&gt;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &lt;iterator&gt;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;</div>
<div class="line"><a name="l00013"></a><span class="lineno"><a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54">   13</a></span>&#160;<span class="keyword">typedef</span> <span class="keyword">enum</span> <a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54">Symbol</a> {</div>
<div class="line"><a name="l00014"></a><span class="lineno"><a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54a8260faa9af2cc66d1c1796bbf7ac9e13">   14</a></span>&#160;             <a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54a55d8a627afbf547e74d4f499439afd0f">nosymbol</a>, <a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54ae64509867a6e0c3e2edfffe44b728f11">integersym</a>, <a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54a55b1714930c0ecc204dab811b1d3cf0c">namesym</a>, <a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54ac1ae666d97f283886982c8cd8f2233f7">lparensym</a>, <a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54a0227a9da85d663bd642725b8bbe67c99">rparensym</a>, <a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54acd60741f3585d91eff6f055d757f6ffa">beginsym</a>, <a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54a1b96f7fb12eb84ca9383add9f82551ba">endsym</a>, <a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54a7d17ab66f396766d05c233516d4d32f2">semicolonsym</a>, <a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54a54c5ae5c050feb5a0cec8f5b988c2b63">equalsym</a>, <a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54a89207782a309887df1c911defe92777e">plussym</a>, <a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54ab3dc0e405d98623efabafdfb0370810a">minussym</a>, <a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54aac23db34210e378b1b30abb9b794561c">timessym</a>, <a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54acdddd51c39266871e8ace1b924552ded">proceduresym</a>, <a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54aac603ec8630d756d484259d62df55117">callsym</a>, <a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54a1662fa39d22b27ebae7637c8de17d136">ifsym</a> , <a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54a3aff065d3781febb696fc0a3783e02a9">thensym</a>, <a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54acf8bb9aec2166eb454904d742c3cf98c">elsesym</a>, <a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54a8260faa9af2cc66d1c1796bbf7ac9e13">whilesym</a></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;};</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;</div>
<div class="line"><a name="l00019"></a><span class="lineno"><a class="code" href="../../dc/db7/class_parser.html">   19</a></span>&#160;<span class="keyword">class </span><a class="code" href="../../dc/db7/class_parser.html">Parser</a>{</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;             std::regex universalRegex;</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;             std::regex_iterator&lt;std::string::iterator&gt; regexIterator;</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;             std::regex_iterator&lt;std::string::iterator&gt; rend;</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;             std::string sourceCode;</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;             std::string currentString;</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;             <span class="keywordtype">int</span> stmtNumber;</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;             <a class="code" href="../../da/dc8/class_a_s_t.html">AST</a>* ast;</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;             <a class="code" href="../../de/d09/class_var_table.html">VarTable</a>* varTable;</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;             <a class="code" href="../../df/d1e/class_proc_table.html">ProcTable</a>* procTable;</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;             <a class="code" href="../../de/d1e/class_follows.html">Follows</a>* follows;</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;             <a class="code" href="../../df/dc0/class_parent.html">Parent</a>* parent;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;             <span class="keywordtype">int</span> setSubtreeNodeID(<a class="code" href="../../dc/d8f/class_node.html">Node</a>* node, <span class="keywordtype">int</span> nodeID);</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;             </div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;             <a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54">Symbol</a> getSymbol(std::string str);</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;             <span class="keywordtype">void</span> expect(<a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54">Symbol</a> s);</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;             <a class="code" href="../../dc/d8f/class_node.html">Node</a>* expectVarName();</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;             <a class="code" href="../../dc/d8f/class_node.html">Node</a>* expectConstValue();</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;             <a class="code" href="../../dc/d8f/class_node.html">Node</a>* expectProcName();</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;             <a class="code" href="../../dc/d8f/class_node.html">Node</a>* expectProgram();</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;             <a class="code" href="../../dc/d8f/class_node.html">Node</a>* expectProcedure();</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;             <a class="code" href="../../dc/d8f/class_node.html">Node</a>* expectStmt();</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;             <a class="code" href="../../dc/d8f/class_node.html">Node</a>* expectStmtList(<span class="keywordtype">int</span> inheritedStmtNumber); <span class="comment">//inheritedStmtNumber is only needed in stmtList</span></div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;             <a class="code" href="../../dc/d8f/class_node.html">Node</a>* expectExpr();</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;             <a class="code" href="../../dc/d8f/class_node.html">Node</a>* expectTerm();</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;             <a class="code" href="../../dc/d8f/class_node.html">Node</a>* expectFactor();</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;             <span class="keywordtype">bool</span> accept(<a class="code" href="../../de/d40/_parser_8h.html#a7feef761cd73fac6e25b8bb80d2c4e54">Symbol</a> s);</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;             <a class="code" href="../../dc/d8f/class_node.html">Node</a>* acceptVarName();</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;             <a class="code" href="../../dc/d8f/class_node.html">Node</a>* acceptConstValue();</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;             <a class="code" href="../../dc/d8f/class_node.html">Node</a>* acceptProcName();</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;             <a class="code" href="../../dc/d8f/class_node.html">Node</a>* acceptProcedure();</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;             <a class="code" href="../../dc/d8f/class_node.html">Node</a>* acceptStmt();</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;             <span class="keywordtype">void</span> error();</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;             </div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;             </div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;             <a class="code" href="../../dc/db7/class_parser.html#a6a1f0f5a07eb3d862c004aea0d10dda1">Parser</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* fileName, <a class="code" href="../../da/dc8/class_a_s_t.html">AST</a> &amp;ast, <a class="code" href="../../df/d1e/class_proc_table.html">ProcTable</a> &amp;procTable, <a class="code" href="../../de/d09/class_var_table.html">VarTable</a> &amp;varTable, <a class="code" href="../../de/d1e/class_follows.html">Follows</a> &amp;follows, <a class="code" href="../../df/dc0/class_parent.html">Parent</a> &amp;parent);</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;             <span class="keywordtype">void</span> <a class="code" href="../../dc/db7/class_parser.html#a656046bc587f07782ab551794a7234bb">buildPKB</a>();</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;};</div>
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